ID A0A160JG17_9PROT Unreviewed; 351 AA.
AC A0A160JG17;
DT 06-JUL-2016, integrated into UniProtKB/TrEMBL.
DT 06-JUL-2016, sequence version 1.
DT 24-JAN-2024, entry version 40.
DE RecName: Full=Dihydroorotase {ECO:0000256|ARBA:ARBA00012860, ECO:0000256|HAMAP-Rule:MF_00219};
DE Short=DHOase {ECO:0000256|HAMAP-Rule:MF_00219};
DE EC=3.5.2.3 {ECO:0000256|ARBA:ARBA00012860, ECO:0000256|HAMAP-Rule:MF_00219};
GN Name=pyrC {ECO:0000256|HAMAP-Rule:MF_00219};
GN ORFNames=A6A40_08050 {ECO:0000313|EMBL:ANC91865.1};
OS Azospirillum humicireducens.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Azospirillaceae; Azospirillum.
OX NCBI_TaxID=1226968 {ECO:0000313|EMBL:ANC91865.1, ECO:0000313|Proteomes:UP000077405};
RN [1] {ECO:0000313|EMBL:ANC91865.1, ECO:0000313|Proteomes:UP000077405}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SgZ-5 {ECO:0000313|EMBL:ANC91865.1,
RC ECO:0000313|Proteomes:UP000077405};
RX PubMed=23264502; DOI=10.1099/ijs.0.046813-0;
RA Zhou S., Han L., Wang Y., Yang G., Zhuang L., Hu P.;
RT "Azospirillum humicireducens sp. nov., a nitrogen-fixing bacterium isolated
RT from a microbial fuel cell.";
RL Int. J. Syst. Evol. Microbiol. 63:2618-2624(2013).
CC -!- FUNCTION: Catalyzes the reversible cyclization of carbamoyl aspartate
CC to dihydroorotate. {ECO:0000256|ARBA:ARBA00002368, ECO:0000256|HAMAP-
CC Rule:MF_00219}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(S)-dihydroorotate + H2O = H(+) + N-carbamoyl-L-aspartate;
CC Xref=Rhea:RHEA:24296, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:30864, ChEBI:CHEBI:32814; EC=3.5.2.3;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00219,
CC ECO:0000256|RuleBase:RU003440};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00219,
CC ECO:0000256|RuleBase:RU003440};
CC Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000256|HAMAP-Rule:MF_00219,
CC ECO:0000256|RuleBase:RU003440};
CC -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC (S)-dihydroorotate from bicarbonate: step 3/3.
CC {ECO:0000256|ARBA:ARBA00004880, ECO:0000256|HAMAP-Rule:MF_00219,
CC ECO:0000256|RuleBase:RU003440}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00219}.
CC -!- SIMILARITY: Belongs to the metallo-dependent hydrolases superfamily.
CC DHOase family. Class II DHOase subfamily.
CC {ECO:0000256|ARBA:ARBA00005631, ECO:0000256|HAMAP-Rule:MF_00219,
CC ECO:0000256|RuleBase:RU003440}.
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DR EMBL; CP015285; ANC91865.1; -; Genomic_DNA.
DR RefSeq; WP_063634948.1; NZ_CP015285.1.
DR AlphaFoldDB; A0A160JG17; -.
DR STRING; 1226968.A6A40_08050; -.
DR KEGG; ahu:A6A40_08050; -.
DR OrthoDB; 9808095at2; -.
DR UniPathway; UPA00070; UER00117.
DR Proteomes; UP000077405; Chromosome.
DR GO; GO:0004151; F:dihydroorotase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0044205; P:'de novo' UMP biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0019856; P:pyrimidine nucleobase biosynthetic process; IEA:InterPro.
DR CDD; cd01294; DHOase; 1.
DR Gene3D; 3.20.20.140; Metal-dependent hydrolases; 1.
DR HAMAP; MF_00219; PyrC_classII; 1.
DR InterPro; IPR006680; Amidohydro-rel.
DR InterPro; IPR004721; DHOdimr.
DR InterPro; IPR002195; Dihydroorotase_CS.
DR InterPro; IPR032466; Metal_Hydrolase.
DR NCBIfam; TIGR00856; pyrC_dimer; 1.
DR PANTHER; PTHR43137; DIHYDROOROTASE; 1.
DR PANTHER; PTHR43137:SF1; DIHYDROOROTASE; 1.
DR Pfam; PF01979; Amidohydro_1; 1.
DR PIRSF; PIRSF001237; DHOdimr; 1.
DR SUPFAM; SSF51556; Metallo-dependent hydrolases; 1.
DR PROSITE; PS00482; DIHYDROOROTASE_1; 1.
DR PROSITE; PS00483; DIHYDROOROTASE_2; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_00219};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00219};
KW Pyrimidine biosynthesis {ECO:0000256|ARBA:ARBA00022975, ECO:0000256|HAMAP-
KW Rule:MF_00219};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_00219}.
FT DOMAIN 13..306
FT /note="Amidohydrolase-related"
FT /evidence="ECO:0000259|Pfam:PF01979"
FT ACT_SITE 251
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 15
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 17..19
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 17
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 43
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 101
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /note="via carbamate group"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 101
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /note="via carbamate group"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 138
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 138
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 176
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 223
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 251
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 255
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 267
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT MOD_RES 101
FT /note="N6-carboxylysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
SQ SEQUENCE 351 AA; 37933 MW; 0D05A0C7DB721CF6 CRC64;
MPYDRIVIRR PDDWHVHLRD GAMLKAVLPF TARQFGRAIV MPNLKPPVAT SADAVAYRER
ILAALPDGVA FTPLMVAYLT DGTDAADLAQ GFEDGVFAAA KLYPANATTN SAHGVTDIAR
IAPVLERMAE IGMPLLIHGE VTDQSVDIFD REAVFIDTIL APLLERHPTL RVVLEHVTTS
DAVQFVRAHA ASGRIGATIT AHHLLINRSH IFQGGIRPHL YCLPIAKRET HRLALVEAAT
SGEGPFFLGT DTAPHTVTAK ESACGCAGCF TAANALELYA EAFEEAGALD KLEAFASLNG
PRFYGMPVSE EQVALERRPT VAPDLILVSE GDAVLPFRSG ETLRWRFAGP V
//
